ERNIE 4.5 21B A3B

A sophisticated text-based Mixture-of-Experts (MoE) model featuring 21B total parameters with 3B activated per token, delivering exceptional multimodal understanding and generation through heterogeneous MoE structures and modality-isolated routing. Supporting an...

by Baidu

Overview

Quick stats across all benchmark runs.

Score

—

9 benchmarks

Avg Latency

13.2s

12 requests

Pricing

$0.07 in / $0.28 out

per 1M tokens

Context

120K

tokens

Alternatives

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No alternatives found

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Benchmark Performance

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No benchmark data available

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Price vs Performance

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Current model (baseline)

Other models (relative score)

Y-axis shows score difference from shared benchmarks. X-axis uses log scale.

Score Over Time

Performance trends across all benchmark runs

Benchmark Activity

Number of benchmark runs over time

Quickstart

View on OpenRouter

Get started with this model using OpenRouter

import { OpenRouter } from "@openrouter/sdk";

const openrouter = new OpenRouter({
  apiKey: "<OPENROUTER_API_KEY>"
});

const completion = await openrouter.chat.completions.create({
  model: "baidu/ernie-4.5-21b-a3b",
  messages: [
    {
      role: "user",
      content: "Hello!"
    }
  ]
});

console.log(completion.choices[0].message.content);

Get your API key at openrouter.ai/keys

Other Models from Baidu

Compare performance with other models from the same creator

Model	Latency	Cost/1M	Score
ERNIE 4.5 21B A3B Thinking	56.0s	$0.18	—
ERNIE 4.5 VL 424B A47B	48.7s	$0.84	—
ERNIE 4.5 300B A47B	33.5s	$0.69	—
ERNIE 4.5 VL 28B A3B	32.0s	$0.35	—
Qianfan-OCR-Fast	—	$1.75	—
CoBuddy (free)	—	Free	—